Shanghai Haoyang Pump Valve Manufacturing Co., Ltd. designed and manufactured for over 10 years in Shanghai,China. HaoYang Air-Operated Double Diaphragm (AODD) pumps have earned industry recognition for premium quality and innovative design. And we supply accessories and components suitable for most AODD pump installations.To ensure suitability for a variety of media, wetted parts are available in numerous optional materials.

Focus on customer satisfaction is supported with quality and reliability, validated by CE certifications.We specify only the most durable materials that are dependable and long-lasting. When we combine the highest-quality products with topnotch customer care, we get outstanding value.

1. Q: Are you a factory or trading company?

A: We are a factory.

2. Q: What're your payments ?

A: T/T,Western Union,L/C etc.

3. Q: What about the package ?

A: Standard export plywood case or carton.

4. Q: How long is the warranty ?

A: According to international standards, products in standard operation is 1 year,except wearable parts.